EP0987872A2 - Système d'éclairage d'une ligne de balayage utilisant un réflecteur creux - Google Patents

Système d'éclairage d'une ligne de balayage utilisant un réflecteur creux Download PDF

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Publication number
EP0987872A2
EP0987872A2 EP99108778A EP99108778A EP0987872A2 EP 0987872 A2 EP0987872 A2 EP 0987872A2 EP 99108778 A EP99108778 A EP 99108778A EP 99108778 A EP99108778 A EP 99108778A EP 0987872 A2 EP0987872 A2 EP 0987872A2
Authority
EP
European Patent Office
Prior art keywords
hollow reflector
illumination system
light
light source
exit aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99108778A
Other languages
German (de)
English (en)
Other versions
EP0987872A3 (fr
Inventor
David D. Bohn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0987872A2 publication Critical patent/EP0987872A2/fr
Publication of EP0987872A3 publication Critical patent/EP0987872A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0285—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with at least one reflector which is in fixed relation to the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0286—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light integrating, concentrating or defusing cavity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/02865—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using an array of light sources or a combination of such arrays, e.g. an LED bar
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
    • H04N1/0318—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03112—Light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03116—Light source lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03141—Photodetector lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03145—Photodetector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP99108778A 1998-09-14 1999-05-03 Système d'éclairage d'une ligne de balayage utilisant un réflecteur creux Withdrawn EP0987872A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US152966 1998-09-14
US09/152,966 US6229137B1 (en) 1998-09-14 1998-09-14 Scan line illumination system utilizing hollow reflector

Publications (2)

Publication Number Publication Date
EP0987872A2 true EP0987872A2 (fr) 2000-03-22
EP0987872A3 EP0987872A3 (fr) 2002-05-02

Family

ID=22545207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108778A Withdrawn EP0987872A3 (fr) 1998-09-14 1999-05-03 Système d'éclairage d'une ligne de balayage utilisant un réflecteur creux

Country Status (4)

Country Link
US (1) US6229137B1 (fr)
EP (1) EP0987872A3 (fr)
JP (1) JP2000174987A (fr)
CN (1) CN1248056A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1143697A2 (fr) * 2000-04-03 2001-10-10 Hewlett-Packard Company Dispositif de balayage optique
EP1158760A1 (fr) * 2000-05-26 2001-11-28 GRETAG IMAGING Trading AG Dispositif photographique pour l'acquisition d'images par diodes electroluminescentes
EP1158761A1 (fr) * 2000-05-26 2001-11-28 GRETAG IMAGING Trading AG Dispositif photographique pour l'acquisition d'images par des circuits à diodes electroluminescentes

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US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US7904187B2 (en) 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method
US6646769B1 (en) * 2000-06-21 2003-11-11 Umax Data Systems, Inc. Light source mechanism for an imaging apparatus
JP2002290681A (ja) * 2001-03-22 2002-10-04 Olympus Optical Co Ltd 画像読取装置
US7543966B2 (en) * 2001-11-14 2009-06-09 Hewlett-Packard Development Company, L.P. Illumination system for illuminating a scan region on an object
US20050116141A1 (en) * 2003-12-02 2005-06-02 Tomlinson Roydan T. Method, assemblage, and scanner for optically sampling light by a photosensitive device
US8442331B2 (en) 2004-02-15 2013-05-14 Google Inc. Capturing text from rendered documents using supplemental information
US7707039B2 (en) 2004-02-15 2010-04-27 Exbiblio B.V. Automatic modification of web pages
US8799303B2 (en) * 2004-02-15 2014-08-05 Google Inc. Establishing an interactive environment for rendered documents
US7812860B2 (en) 2004-04-01 2010-10-12 Exbiblio B.V. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US10635723B2 (en) 2004-02-15 2020-04-28 Google Llc Search engines and systems with handheld document data capture devices
US20060041484A1 (en) 2004-04-01 2006-02-23 King Martin T Methods and systems for initiating application processes by data capture from rendered documents
US20060098900A1 (en) 2004-09-27 2006-05-11 King Martin T Secure data gathering from rendered documents
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to a rendered document
US20100185538A1 (en) * 2004-04-01 2010-07-22 Exbiblio B.V. Content access with handheld document data capture devices
US9116890B2 (en) 2004-04-01 2015-08-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US9143638B2 (en) 2004-04-01 2015-09-22 Google Inc. Data capture from rendered documents using handheld device
US20060081714A1 (en) 2004-08-23 2006-04-20 King Martin T Portable scanning device
WO2008028674A2 (fr) 2006-09-08 2008-03-13 Exbiblio B.V. Scanners optiques, tels que des scanners optiques portables
US7990556B2 (en) 2004-12-03 2011-08-02 Google Inc. Association of a portable scanner with input/output and storage devices
US8793162B2 (en) 2004-04-01 2014-07-29 Google Inc. Adding information or functionality to a rendered document via association with an electronic counterpart
US8146156B2 (en) * 2004-04-01 2012-03-27 Google Inc. Archive of text captures from rendered documents
US7894670B2 (en) * 2004-04-01 2011-02-22 Exbiblio B.V. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US20080313172A1 (en) 2004-12-03 2008-12-18 King Martin T Determining actions involving captured information and electronic content associated with rendered documents
US8081849B2 (en) 2004-12-03 2011-12-20 Google Inc. Portable scanning and memory device
US20070300142A1 (en) * 2005-04-01 2007-12-27 King Martin T Contextual dynamic advertising based upon captured rendered text
US8713418B2 (en) 2004-04-12 2014-04-29 Google Inc. Adding value to a rendered document
US8620083B2 (en) 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
US9460346B2 (en) 2004-04-19 2016-10-04 Google Inc. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US8489624B2 (en) 2004-05-17 2013-07-16 Google, Inc. Processing techniques for text capture from a rendered document
US8874504B2 (en) 2004-12-03 2014-10-28 Google Inc. Processing techniques for visual capture data from a rendered document
US8346620B2 (en) 2004-07-19 2013-01-01 Google Inc. Automatic modification of web pages
US20100092095A1 (en) * 2008-10-14 2010-04-15 Exbiblio B.V. Data gathering in digital and rendered document environments
US20110075228A1 (en) * 2004-12-03 2011-03-31 King Martin T Scanner having connected and unconnected operational behaviors
WO2008080141A1 (fr) * 2006-12-22 2008-07-03 Johnson Controls, Inc. Interface sur un écran de véhicule
US8638363B2 (en) 2009-02-18 2014-01-28 Google Inc. Automatically capturing information, such as capturing information using a document-aware device
JP2009092397A (ja) * 2007-10-04 2009-04-30 Nippon Avionics Co Ltd 積分筒および積分筒を用いたライン型照明装置
TWI365659B (en) * 2008-04-02 2012-06-01 Avision Inc Scan module and scan device using the same
US8447066B2 (en) 2009-03-12 2013-05-21 Google Inc. Performing actions based on capturing information from rendered documents, such as documents under copyright
WO2010105245A2 (fr) 2009-03-12 2010-09-16 Exbiblio B.V. Fourniture automatique de contenu associé à des informations capturées, de type informations capturées en temps réel
US8322872B2 (en) * 2009-08-20 2012-12-04 Lexmark International, Inc. Linear light diffusing structure for document scanners
US9081799B2 (en) 2009-12-04 2015-07-14 Google Inc. Using gestalt information to identify locations in printed information
US9323784B2 (en) 2009-12-09 2016-04-26 Google Inc. Image search using text-based elements within the contents of images
JP5739982B2 (ja) * 2010-04-23 2015-06-24 コーニンクレッカ フィリップス エヌ ヴェ 照明装置
US8610969B2 (en) 2010-12-28 2013-12-17 Lexmark International, Inc. Illumination assembly for a scanner with thermally conductive heat sink
JP6102321B2 (ja) 2012-03-01 2017-03-29 株式会社リコー 撮像ユニット、測色装置、画像形成装置、測色システムおよび測色方法
US9927568B2 (en) 2013-11-15 2018-03-27 Dolby Laboratories Licensing Corporation Uniformly lit light guides
JP5833160B2 (ja) * 2014-03-07 2015-12-16 キヤノン・コンポーネンツ株式会社 照明装置および紙葉類識別装置

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JPH08340419A (ja) * 1995-06-14 1996-12-24 Matsushita Electric Ind Co Ltd 密着型イメージセンサー
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US4868383A (en) * 1988-09-08 1989-09-19 Eastman Kodak Company Linear integrating cavity light source used for generating an intense beam of light
EP0465768A2 (fr) * 1990-07-09 1992-01-15 Mitsubishi Denki Kabushiki Kaisha Capteur d'une ligne d'image du type contact
US5194725A (en) * 1991-01-17 1993-03-16 Rohm Co., Ltd. Image sensor including resilient pressing means for pressing a light receiving sensor substrate against an image sensor frame
JPH0746374A (ja) * 1993-07-30 1995-02-14 Matsushita Electric Ind Co Ltd 密着型イメージセンサ
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JPH08340419A (ja) * 1995-06-14 1996-12-24 Matsushita Electric Ind Co Ltd 密着型イメージセンサー
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1143697A2 (fr) * 2000-04-03 2001-10-10 Hewlett-Packard Company Dispositif de balayage optique
EP1143697A3 (fr) * 2000-04-03 2002-06-19 Hewlett-Packard Company Dispositif de balayage optique
EP1158760A1 (fr) * 2000-05-26 2001-11-28 GRETAG IMAGING Trading AG Dispositif photographique pour l'acquisition d'images par diodes electroluminescentes
EP1158761A1 (fr) * 2000-05-26 2001-11-28 GRETAG IMAGING Trading AG Dispositif photographique pour l'acquisition d'images par des circuits à diodes electroluminescentes

Also Published As

Publication number Publication date
CN1248056A (zh) 2000-03-22
EP0987872A3 (fr) 2002-05-02
JP2000174987A (ja) 2000-06-23
US6229137B1 (en) 2001-05-08

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